How to Read Data Matrix Using Java

// APIs for scanning and detecting Data Matrix only from local image file.
public static BarcodeResult[] Scan(String filename, BarCodeType barType);
// APIs for reading and detecting Data Matrix only from BufferedImage object.
public static BarcodeResult[] Scan(BufferedImage image, BarCodeType barType);
// APIs for scanning and recognizing Data Matrix only from InputStream object.
public static BarcodeResult[] Scan(InputStream imageStream, BarCodeType barType);

// APIs for scanning and decoding Data Matrix and other contained symbols from image file on disk.
public static BarcodeResult[] Scan(String filename);
// APIs for reading and decoding Data Matrix and other contained symbols from BufferedImage object.
public static BarcodeResult[] Scan(BufferedImage image);
// APIs for reading and recognizing Data Matrix and other contained symbols from the InputStream object.
public static BarcodeResult[] Scan(InputStream imageStream);

import com.pqscan.barcodereader.BarcodeResult;
import com.pqscan.barcodereader.BarcodeScanner;
import com.pqscan.barcodereader.BarCodeType;

public class ReadDataMatrixDemo
{
    public static void main(String[] args)
    {
        try
        {
            // Customize Data Matrix as the only bar code symbology to be detected and recognized.
            BarcodeResult[] results = BarcodeScanner.Scan("C:/sample.jpg", BarCodeType.DataMatrix);

            for(int i = 0; i < results.length; i++)
            {
                // Show all recognized information.
                System.out.println(results[i].getData() + "--" + results[i].getBarType());
           }
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }
}